The Flew is an 1st episode Season 1 and series premiere of The Spooktacular New Adventures of Casper.
Plot[]
The Ghostly Trio has caught a nasty twenty-four minute ghost “flew” and they haven’t felt this bad since they were alive! Kat Harvey and the Dr. Harvey catch a sneezeful of the ghost germs, and when fleshies get the twenty-four minute flew, they think they’re ghosts! The trio pass their ghost flu to the Harveys, making them think they’re ghosts.